An open source program to generate zero-thickness cohesive interface elements

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Abstract

An open source program to generate zero-thickness cohesive interface elements in existing finite element discretizations is presented. This contribution fills the gap in the literature that, to the best of the author's knowledge, there is no such program exists. The program is useful in numerical modeling of material/structure failure using cohesive interface elements. The program is able to generate one/two dimensional, linear/quadratic cohesive elements (i) at all inter-element boundaries, (ii) at material interfaces and (iii) at grain boundaries in polycrystalline materials. Algorithms and utilization of the program is discussed. Several two dimensional and three dimensional fracture mechanics problems are given including debonding process of material interfaces, multiple delamination of composite structures, crack propagation in polycrystalline structures.
Original languageEnglish
Pages (from-to)27-39
Number of pages13
JournalAdvances in Engineering Software
Volume74
DOIs
Publication statusPublished - Aug 2014
Externally publishedYes

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